Parameterization method for multi-scale regular grid model repairing cracksChinese Full Text
GUO Dong-liang;NIE Jun-lan;WANG Yan-fen;KONG Ling-fu;College of Information Science and Engineering,Yanshan University;The Key Laboratory for Computer Virtual Technology and System Integration of Hebei Province,Yanshan University;
Abstract: When using level-of-detail（LOD）technology,multi-scale regular grid visualization always introduces discontinuous mesh on the boundary with different resolutions.The GPU-based LOD framework for cracks repairing is investigated,and a parameterization method to avoid cracks is proposed.The function curve fitting is employed to change the mesh layout and eliminate T-junctions caused by various LODs transiting.Moreover,the parameterization cracks-repairing method supports multi-span LOD using curve function family excellently.Function curve fitting method is utilized to existing regular-grid-based LOD model.The experiments show that the proposed method can improve the cracks-repairing performance meanwhile guarantee the mesh continuity.
- DOI：
10.13229/j.cnki.jdxbgxb201401035
- Series：
- Subject：
- Classification Code：
TP391.41
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